MEGALOMASTOMA §. 2—4. 
137 
17. cylindra ceum (Helix) Chemn. (Coll. 13.) I. 124. II. 84. III. 
87. — Patel Cat. p. 120. — Helix crocea Gmel. — Turbo croceus 
Dillw.j fla, vidus Wood. — Cyclostoma flavula Lam., flavidum Gray,% 
crocea Desk. — Farcimen flavulum Trosch ., cylindraceum Gray. — 
Portorico. 
18 M. HjaSmarsoni Pfr. 
T. rimato-subperforata, elongato-pupaeformis, solida, alba, 
epidermide tenuissima, nitidula, virenti-cerea, passim decidua, 
induta; spira ovatoturrita, sursum sensim attenuata, apice 
conico, acutiusculo; sutura parum impressa, marginata; anfr. 8 
convexiusculi, sensim accrescentes, supremi eleganter oblique 
striati, sequentes confertissime filoso-striati, ultimus sublaevi- 
gatus, i/ 3 longitudinis formans, basi compressus, leviter arcuato- 
cristatus; apertura verticalis, fere circularis, sursum obsolete 
angulata, intus crocea; perist. subrectum (vix expansiusculum), 
leviter incrassatum, anfractui contiguo sublonge adnatum, su- 
perne angulatim subproductum. — Operculum tenuissimum, 
castaneo-rubellum, extus concaviusculum. — Long. 15 — 21, 
diam. 7 — 9 mill. 
Megalomastoma Hjalmarsoni Pfr. in Malak. Bl. XXII. (1875.) p. 119. 
Habitat in districto Lares partis occidentalis insulae Por- 
torico (Gundlach). 
* 
19. Orbignyi (Cyclostoma) Pfr. (Coll. 14.) I. 130. II. 84. III. 87. 
— Patel Cat. p. 120. — Haiti. 
§• 3. 
20. Antillarum (Cyclostoma) Sow. (Coll. 15.) I. 135. II. 84. III. 
87. — Patel Cat. p. 120. — Megalomastoma brunnea Guild. — 
Ins. Tortola, St. Thomas. 
21. verruculosum (Cyclostoma) Shuttl. (Coll. 16.) II. 86. III. 87. 
— Megalommastoma verriculum Patel Cat. p. 120. — Portorico. 
Obs. Ad hanc sectionem conferatur genus Tomocyclus Crosse 8f Fisch. 
§• 4. 
22. alt um (Cyclostoma) Sow. (Coll. 17.) I. 132. II. 84. III. 87. — 
Patel Cat. p. 120. — Coptocheilus alius Gould. — Ins. Philippin. 
23. sectilabrum Gould. II. 84. III. 87. — Stoliczha in Journ. As. 
Soc. XLI. 1872. Pt. 2. p. 268. t. 10. f. 13. — Coptocheilus secti- 
labris Gould. — Megalommastoma sectilabre Patel Cat. p. 120. — 
Birmania, ins. Penang. 
24. Anostoma (Cyclostoma) Bens. (Coll. 18.) II. 85. III. 87. — 
Martens Ostas. Zool. II. p. 154. — Patel Cat. p. 120. — Issel 
Moll. Born. p. 66. t. 6. f. 16. 17. — Megalomastoma sectilabrum 
